Empty string: Difference between revisions
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REM Check that a string is not empty: |
REM Check that a string is not empty: |
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IF var$ <> "" THEN PRINT "String is not empty" |
IF var$ <> "" THEN PRINT "String is not empty" |
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</lang> |
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=={{header|Burlesque}}== |
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Empty string is <tt>""</tt> and checking for empty strings (or empty lists) can be done with the <tt>nu</tt> command. |
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<lang blsq> |
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blsq ) "" |
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"" |
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blsq ) ""nu |
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1 |
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blsq ) "a"nu |
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0 |
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</lang> |
</lang> |
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